<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>Test for bug 1066554 - Shadow DOM loads MathML stylesheets as needed</title>
<body>
  <div id="x"></div>
  <script>
    function insertShadowMathML() {
      var x = document.getElementById("x");
      if (x.createShadowRoot) {
        x.createShadowRoot();
        x.shadowRoot.innerHTML =
          '<math><msup><mi>X</mi><mi>X</mi></msup></math>';
      }
      document.documentElement.removeAttribute("class");
    }
    window.addEventListener("MozReftestInvalidate", insertShadowMathML, false);
  </script>
</body>
</html>
